VI User Manual.pdf - 第13页

Contents Vision 2007 4.10 User Manua l Rev 01 IX 7.9.5 Examples of use ..................... ................ .................... ................... ............... 60 7.9.5.1 Lifted lead ..... ................... ....…

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Contents
VIII Vision2007 4.10 User Manual Rev 01
7.7.6 QFP ................................................................................................................ 34
7.7.6.1 Body detection ................................................................................... 34
7.7.6.2 Accurate detection of the component position ................................... 35
Searching area .................................................................................... 35
Parameters ......................................................................................... 35
7.7.6.3 Solder joint and bridge detection ........................................................ 35
7.8 Custom .............................................................................................. 36
7.8.1 Model description tab .................................................................................. 36
7.8.2 Custom tab .................................................................................................... 37
7.8.3 Body detection ............................................................................................. 37
7.8.3.1 Algorithm ............................................................................................ 37
7.8.3.2 Parameters ......................................................................................... 38
7.8.4 Components leads detection ...................................................................... 39
7.8.4.1 Algorithm ............................................................................................ 39
7.8.4.2 Parameters ......................................................................................... 39
Width Expert Mode ............................................................................ 40
7.8.5 Solder joints detection ................................................................................. 42
7.8.6 Bridges inspection ....................................................................................... 43
7.9 Profiler™ in Custom .......................................................................... 44
7.9.1 Profiler™ tool description ........................................................................... 44
7.9.1.1 Global adjustment tool principle ......................................................... 45
7.9.1.2 Lead to Lead tool principle ................................................................. 45
7.9.2 Profiler™ tool using ..................................................................................... 46
7.9.2.1 Profiler™ tool window description ...................................................... 47
Global adjustment tool ........................................................................ 47
Creation part ....................................................................................... 47
Global adjustment tool profile and result display ................................ 48
Lead to lead tool ................................................................................. 49
7.9.2.2 Reference profile creation .................................................................. 50
7.9.3 Standard mode ............................................................................................. 51
7.9.3.1 Tolerances of global tolerances tool setting ....................................... 51
7.9.3.2 Lead to lead tolerances setting .......................................................... 52
7.9.3.3 Tests .................................................................................................. 53
Test pin ............................................................................................... 53
Test all pins of the side ....................................................................... 53
Lead to lead ........................................................................................ 54
7.9.4 Expert mode .................................................................................................. 55
7.9.4.1 Peak threshold ................................................................................... 55
Principle .............................................................................................. 55
Concrete case ..................................................................................... 56
7.9.4.2 Contrast .............................................................................................. 57
Principle .............................................................................................. 57
Concrete case ..................................................................................... 57
7.9.4.3 3D analysis ......................................................................................... 58
Principle .............................................................................................. 58
Concrete case...................................................................................... 58
7.9.4.4 Lead to lead algorithm ........................................................................ 59
Max sigma ........................................................................................... 59
Average +/- X sigma ........................................................................... 59
Difference to Average +/- Sigma ......................................................... 59
Contents
Vision 2007 4.10 User Manual Rev 01 IX
7.9.5 Examples of use ........................................................................................... 60
7.9.5.1 Lifted lead ........................................................................................... 60
7.9.5.2 Welding lack ....................................................................................... 61
7.9.5.3 Complete welding absence ................................................................ 62
7.9.5.4 Impurities ............................................................................................ 63
7.9.6 Profiler™ result ............................................................................................ 63
7.10 Profiler™ ......................................................................................... 64
7.10.1 Model description tab .............................................................................. 64
7.10.2 Profiler™ tab ............................................................................................. 64
7.10.3 Profiler™ window ..................................................................................... 65
7.10.4 Example of use ......................................................................................... 66
7.11 Multizones ...................................................................................... 67
7.11.1 In the .tst file ............................................................................................. 67
7.11.1.1 .tst file linked to a library with model programmed in the library .. 68
7.11.1.2 .tst file with no library or no model in the library ........................... 69
7.11.2 In the library .............................................................................................. 69
7.11.3 Multizones model programming ............................................................. 70
7.11.4 Model description ..................................................................................... 70
7.11.5 Vi-Pro, Edge, Histogram tools for multizones model ........................... 70
7.11.6 Custom tool for multizones model ......................................................... 71
7.11.7 Custom tool edition .................................................................................. 71
7.11.7.1 Body detection ............................................................................. 71
7.11.7.2 Component’s leads detection ....................................................... 72
7.11.8 Custom tool execution ............................................................................. 72
7.11.8.1 Execution of one reference .......................................................... 72
7.11.8.2 Global execution .......................................................................... 72
7.12 Data Matrix ..................................................................................... 73
7.12.1 Description ............................................................................................... 73
7.12.2 Data Matrix using the internal camera ................................................... 73
7.12.2.1 Data Matrix creation ..................................................................... 73
Edition of Data Matrix area .......................................................... 73
Description of the new Data Matrix .............................................. 73
Image capture for the library ........................................................ 73
7.12.2.2 Data Matrix CAD edition .............................................................. 74
7.12.2.3 Data Matrix execution .................................................................. 74
7.12.3 Data Matrix using an external camera .................................................... 74
7.12.3.1 Hardware description ................................................................... 74
7.12.3.2 .tst file configuration ..................................................................... 75
7.12.4 Maintenance mode ................................................................................... 76
7.12.5 Cognex Data Matrix model creation ....................................................... 76
7.12.5.1 Model description tab ................................................................... 76
7.12.5.2 DMatrix tab ................................................................................... 77
7.12.6 Data Matrix CVB model ............................................................................ 77
7.12.6.1 Model description tab ................................................................... 77
7.12.6.2 DMatrix tab ................................................................................... 78
7.13 Bar code CVB model ...................................................................... 80
7.13.1 Model description tab .............................................................................. 80
7.13.2 Bar code tab ............................................................................................. 80
Contents
X Vision2007 4.10 User Manual Rev 01
7.14 Blob ................................................................................................. 82
7.14.1 Blob tool definition ................................................................................... 82
7.14.1.1 Segmentation ............................................................................... 82
Fixed thresholding ....................................................................... 82
Relative thresholding ................................................................... 82
7.14.1.2 Masking ........................................................................................ 83
7.14.1.3 Blob analysis ................................................................................ 83
Area ............................................................................................. 83
Acircularity ................................................................................... 83
Elongation .................................................................................... 83
Angle ............................................................................................ 83
7.14.1.4 Filtering and sorting ..................................................................... 83
7.14.2 Model description tab .............................................................................. 84
7.14.3 Blob tab ..................................................................................................... 84
7.14.3.1 Blob parameters ........................................................................... 84
Thresholding tab .......................................................................... 84
Functional parameters tab ........................................................... 85
Mask tab ...................................................................................... 86
Advanced Classifier tab ............................................................... 87
7.14.3.2 Blob test ....................................................................................... 88
7.15 Search ............................................................................................. 89
7.15.1 Search tool definition ............................................................................... 89
7.15.1.1 Applications .................................................................................. 89
7.15.1.2 Results ......................................................................................... 89
7.15.1.3 Search tool features ..................................................................... 89
CNL normalized ........................................................................... 89
CNL non linear ............................................................................. 89
Normalized search ....................................................................... 89
Absolute search ........................................................................... 90
7.15.1.4 Algorithms and performance ........................................................ 90
Relative search times, score greater than confusion threshold ... 90
Relative search times, score less than confusion threshold ........ 90
7.15.2 Using the Search tool .............................................................................. 91
7.15.3 Model description tab .............................................................................. 92
7.15.4 Search tab ................................................................................................. 92
7.15.4.1 Search parameters ...................................................................... 93
Configuration tab ......................................................................... 93
Train tab ....................................................................................... 93
Trained image display .................................................................. 94
7.15.4.2 Search test ................................................................................... 94
7.16 Shared library ................................................................................. 95
7.16.1 Description and purposes ....................................................................... 95
7.16.1.1 Configure the library ..................................................................... 95
7.16.2 Using the shared library .......................................................................... 98
7.16.2.1 Open a library .............................................................................. 98
7.16.2.2 Close a library .............................................................................. 98
7.16.2.3 Configure the .tst file .................................................................... 98
7.16.2.4 View a model ............................................................................... 99
7.16.2.5 Edit a model ................................................................................. 99
7.16.2.6 Validate the changes and submit to the server library ............... 100
7.16.2.7 Delete a model ........................................................................... 100